Abstract

TauDEM suite of programs where developed to calculate hydrologic information from Digital Elevation Models (DEM). It includes DEM conditioning and correction, delineation, stream network development, distance to features (stream or divide), accumulation (downslope, decay limited, concentration limited, accumulation limited, reverse), avalanche runout zone, and others. For flat or closed basins, the typical approach of conditioning the DEM by pit-filling doesn't work well and those areas need to be masked.

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